CAMP and Zika virus infectious disease: Likewise, the inhibitory effect of ZIKV infection on CAMP expression was less pronounced in the presence of VitD3 at 12 hpi (p = 0.001 and 0.0178 respectively) (Fig. 2C), but the levels of CAMP were similar at 48 hpi (p = 0.0021 and 0.0057, respectively).